ANGULAR RESOLUTION OF CTA AS AN INTENSITY INTERFEROMER Assumed planetary transit across the disk of Sirius Stellar diameter = 1.7 solar Distance = 2.6 pc Angular diameter = 6 mas Assumed ”Jupiter” with rings D=140.000 km, disk = 350 µas CTA array spanning 2 km; Resolution 50 µas at 400 nm provides more than 100 pixels across the stellar diameter
ANGULAR RESOLUTION OF CTA AS AN INTENSITY INTERFEROMER Assumed planetary transit across the disk of Sirius Stellar diameter = 1.7 solar Distance = 2.6 pc Angular diameter = 6 mas Assumed ”Jupiter” with rings Equatorial diameter = 350 µas CTA array spanning 2 km; Resolution 50 µas at 400 nm provides more than 100 pixels across the stellar diameter
ANGULAR RESOLUTION OF CTA AS AN INTENSITY INTERFEROMER Assumed planetary transit across the disk of Sirius Stellar diameter = 1.7 solar Distance = 2.6 pc Angular diameter = 6 mas Assumed Jupiter-size planet with rings; four Earth-size moons; equatorial diameter = 350 µas. CTA array spanning 2 km; Resolution 50 µas at 400 nm provides more than 100 pixels across the stellar diameter